added support for gt and lt options

also removed outdated dependency

1 files changed, 11 insertions, 9 deletions

diff --git a/channels-lib.js b/channels-lib.js
index f2d8484..8d057ce 100644
--- a/channels-lib.js
+++ b/channels-lib.js
@@ -1,4 +1,3 @@
-var { promisify } = require("util");
 var pull = require("pull-stream");
 var Pushable = require("pull-pushable");
 var many = require("./pull-many-v2");
@@ -28,7 +27,7 @@ class StreamData {
 }
 
 class StreamController {
-	constructor() {
+	constructor(opts) {
 		this.outputStream = Pushable(),
 		this.streamData = {
 			channelStream: new StreamData(),
@@ -38,7 +37,9 @@ class StreamController {
 		this.pushMessage = function(source, newMsg) {
 			var streamData = source == "hashtag" ? this.streamData.hashtagStream : this.streamData.channelStream;
 			streamData.oldestTimestampSeen = newMsg.value.timestamp;
-			streamData.waitingMessages.push(newMsg);
+			if(newMsg.value.timestamp > opts.gt && newMsg.value.timestamp < opts.lt) {
+				streamData.waitingMessages.push(newMsg);
+			}
 
 			this.pushNewlySafeMessages();
 		},
@@ -76,7 +77,7 @@ class StreamController {
 }
 
 module.exports = {
-	getMessages: function(client, channelName, preserve, cb, hops=MAX_HOPS) {
+	getMessages: function(client, channelName, opts, preserve, cb, hops=MAX_HOPS) {
 		client.friends.hops({
 			dunbar: Number.MAX_SAFE_INTEGER,
 			max: hops
@@ -86,16 +87,16 @@ module.exports = {
 			}
 
 			var followedIds = Object.keys(friends).map(id => id.toLowerCase());
-			getMessagesFrom(client, channelName, followedIds, preserve, cb);
+			getMessagesFrom(client, channelName, followedIds, opts, preserve, cb);
 		});
 	}
 }
 
-function getMessagesFrom(client, channelName, followedIds, preserve, cb) {
+function getMessagesFrom(client, channelName, followedIds, opts, preserve, cb) {
 	debug("Fetching messages from IDs in " + JSON.stringify(followedIds));
 
 	var channelTag = "#" + channelName;
-	var streamController = new StreamController();
+	var streamController = new StreamController(opts);
 	var hashtagStream = createHashtagStream(client, channelName);
 	var channelStream = createChannelStream(client, channelName);
 	var stream = many([hashtagStream, channelStream]);
@@ -119,7 +120,7 @@ function getMessagesFrom(client, channelName, followedIds, preserve, cb) {
 	cb(streamController.outputStream, preserve);
 }
 
-function createHashtagStream(client, channelName) {
+function createHashtagStream(client, channelName, opts) {
 	var search = client.search && client.search.query;
         if(!search) {
                 console.log("[FATAL] ssb-search plugin must be installed to us channels");
@@ -135,7 +136,7 @@ function createHashtagStream(client, channelName) {
 	return query;
 }
 
-function createChannelStream(client, channelName) {
+function createChannelStream(client, channelName, opts) {
 	var query = client.query.read({
 		query: [{
                        	"$filter": {
@@ -160,3 +161,4 @@ function debug(message) {
 		console.log("[channels-lib] [" + timestamp.toISOString() + "] " +  message);
 	}
 }
+s